Return Address (Using the GNU Compiler Collection (GCC))

7.6 Getting the Return or Frame Address of a Function ¶ These functions may be used to get information about the callers of a function. Built-in Function: void * __builtin_return_address (unsigned int level) ¶ This function returns the return address of the current function, or of one of its callers. The level argument is number of frames to scan up the call stack. A value of 0 yields the return a

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関数の戻り番地を得るgccのビルトイン関数